Here is the full list of all 20 Flipper Soccer achievements.
Win a match for the first time in singleplayer mode
Win a match on the "Small" level in singleplayer mode.
Win a match on the "Small Pegs" level in singleplayer mode.
Win a match on the "Pinball" level in singleplayer mode.
Win a match on the "Pinball Pegs" level in singleplayer mode.
Win a match on the "Large Pegs" level in singleplayer mode.
Win a match using the "Soccer" ball in singleplayer mode.
Win a match using the "Metal" ball in singleplayer mode.
Win a match using the "Basketball" ball in singleplayer mode.
Win a 180-second match in singleplayer mode.
Win a match with a target of 7 goals in singleplayer mode.
Win a match with a five or more goals difference in singleplayer mode.
Win a match with a ten or more goals difference in singleplayer mode.
Win a match in less than 30 seconds in singleplayer mode.
Win a match that lasted more than 360 seconds in singleplayer mode.
Draw 0-0 in a 180-second match in singleplayer mode.
Win a match with a target of 7 goals without conceding any goals in singleplayer mode.
Win a match with the exact score of seven to one in singleplayer mode.
Win a match in multiplayer mode as the host.
Win a match in multiplayer mode as the client.